“RF Loss” is the topic of the latest (May 10) episode of the “ARRL The Doctor is In” podcast. Listen…and learn!
Sponsored by DX Engineering, “ARRL The Doctor is In” is an informative discussion of all things technical. Listen on your computer, tablet, or smartphone — whenever and wherever you like!
Every 2 weeks, your host, QST Editor-in-Chief Steve Ford, WB8IMY, and the Doctor himself, Joel Hallas, W1ZR, will discuss a broad range of technical topics. You can also e-mail your questions to doctor@arrl.org, and the Doctor may answer them in a future podcast.
Enjoy “ARRL The Doctor is In” on Apple iTunes, or by using your iPhone or iPad podcast app (just search for “ARRL The Doctor is In”). You can also listen online at Blubrry, or at Stitcher (free registration required, or browse the site as a guest) and through the free Stitcher app for iOS, Kindle, or Android devices. If you’ve never listened to a podcast before, download our beginner’s guide.
VHF
![Icom ID-5100A vs IC-2820H Review by AmateurLogic.tv [Video]](https://qrznow.com/wp-content/uploads/2014/12/id-5100-02-190x122.jpg)
Icom ID-5100A vs IC-2820H Review by AmateurLogic.tv [Video]
See More: http://www.amateurlogic.com Read more
Yaesu DR-2XE Repeater – C4FM/FM VHF/UHF Digital
Yaesu DR-2XE Repeater – Modulation Modes: Conventional FM, C4FM Digital – Automatic Mode Select (FM/C4FM) – 3.5″ Full Color T... Read more
Retevis RT83(GPS) 10W IP67 DMR Digital UHF Radio
Retevis RT83 with digital and analogue mode two way radio. Using TDMA technology, designed with Tier II,AMBE++ vocoder, compatible with mototrb... Read more
HYS TC-MAUV11 Dual Band with DTMF
HYS TC-MAUV11 Product Detail Basic Info Model NO.: TC-MAUV11 Type: Vehicle Mouted Function: Mobile Radio Place of Origin: Fujian, China (Mainland) Bra... Read more
Yaesu FT-4XR / FT-4VR : ANNOUNCEMENT
Yaesu FT-4XR FM DUAL BAND TRANSCEIVER Range: 136-174, 400-480MHz Antenna Connector: SMA Power Source: 12.6 VDC Nominal, Battery Operated Exclusively R... Read more
USA Amateur Grid Square Map from ICOM
USA Amateur Grid Square Map An invisible grid, based on 1° latitude by 2° longitude, encompasses the globe and is used for geographic lo... Read more
Review
Icom 7300 WSJT-X Combined With HRD and JT-Alert
Part 1 starts with Icom 7300 setup in the menu and connectors. In preparation for connecting to HRD and HRDLogbook. 03:03 Setting up Icom 7300 for rec... Read more
Introducing the PRAS and HPS
Bob Heil talks about the new Parametric Receive Audio System and Heil Powered Speaker for Amateur Radio. PRAS – Parametric Receive Audio System The... Read more
Jim Heath W6LG Discusses Antenna Gain, Yagis and Rotators
Jim Heath W6LG talks about antenna gain using a light bulb. He shows a simple yagi and 2 brands of antenna rotator Read more
“Automatic Gain Control” is the topic of the latest episode of the “ARRL The Doctor is In” podcast
“Automatic Gain Control” is the topic of the latest (February 1) episode of the “ARRL The Doctor is In” podcast. Listen…and learn! More than a h... Read more
Equipment
OFF-GRID HAM RADIO: Simple Emergency Communication When the Grid Goes Down
Check great article about Emergency Communication from Robert Richardson : Read more
Elecraft K3 Crystal ‘Roofing’ Filters
Elecraft K3 What “Roofing Filter” means to Elecraft K3 Filters and Dynamic Range There’s been so much discussion about this... Read more
Alinco DX-10 10 Meter All Mode Mobile
Alinco DX-10 Technician or Extra Class, Alinco’s DX-10 All-Mode 10 Meter Transceivers let you find the excitement on the highest HF ba... Read more
InnovAntennas Launch Trailer Mast Division
InnovAntennas have launched their new trailer mast division which provides budget trailer mast solutions from stock. The photo shows the first of thei... Read more
STEMlab 122.88-16 SDR kit basic – REDPITAYA
REDPITAYA – Tailored for HF+50MHz SDR & other RF applications – Comes with two 16 bit ACDs 50 ohm inputs; 14 bit DACs 50 ohm outputs... Read more
![Uniden SDS200 – Analog & Digital [ VIDEO ]](https://qrznow.com/wp-content/uploads/2019/01/UNIDEN-SDS200-FRONT-rt-1-190x122.jpg)
Uniden SDS200 – Analog & Digital [ VIDEO ]
Overview Introducing the SDS200, Uniden’s latest and most advanced base/mobile digital trunking scanner. The SDS200 incorporates the latest True I/Q r... Read more
App - Mobile
AmsatDroid FREE – APP
This software predicts future passes for amateur radio satellites for a specified location and period of time. Basic features: – Calculate passe... Read more
US Amateur Radio Band Plan for Android
US Amateur Radio Band Plan A clean native app that’s sole purpose is to provide amateur radio operators a simple and easy to use f... Read more
RFinder – The World Wide Repeater Directory now has Jamming Reports!
RFinder now includes the ability to make jamming reports. This is already available in RFinder Android and should be available on iOS devices by Dayto... Read more
N1KDO’s LoTW Look – Android
This application allows Amateur Radio Operators to browse and search their Logbook of the World (LOTW) QSL confirmations on their handheld de... Read more
Updated Android Digital QST App Now Available
A completely rebuilt digital QST app for the Android platform now is available from publisher Nxtbook Media, which responded to readers’ frustrations... Read more
Rfinder for Visually Impaired on Android
Rfinder Tom W3ZX, a visually impaired ham gives a great demo on Android using TalkBack for the visually impaired. See More: http://www.rfinder.net/blo... Read more
![The new Elecraft K4 [ VIDEO ]](https://qrznow.com/wp-content/uploads/2019/05/Elecraft-K4-90x60.jpg)
![The new Elecraft K4 [ VIDEO ]](https://qrznow.com/wp-content/uploads/2019/05/Elecraft-K4-180x120.jpg)
